ambari-server/src/main/resources/common-services/MAHOUT/1.0.0.2.3/metainfo.xml

<?xml version="1.0"?>
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   The ASF licenses this file to You under the Apache License, Version 2.0
   (the "License"); you may not use this file except in compliance with
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   See the License for the specific language governing permissions and
   limitations under the License.
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<metainfo>
  <schemaVersion>2.0</schemaVersion>
  <services>
    <service>
      <name>MAHOUT</name>
      <displayName>Mahout</displayName>
      <comment>
        Project of the Apache Software Foundation to produce free implementations of distributed or
        otherwise scalable machine learning algorithms focused primarily in the areas of collaborative
        filtering, clustering and classification
      </comment>
      <version>1.0.0.2.3</version>
      <components>
        <component>
          <name>MAHOUT</name>
          <displayName>Mahout Client</displayName>
          <category>CLIENT</category>
          <cardinality>0+</cardinality>
          <versionAdvertised>true</versionAdvertised>
          <commandScript>
            <script>scripts/mahout_client.py</script>
            <scriptType>PYTHON</scriptType>
            <timeout>1200</timeout>
          </commandScript>
          <configFiles>
            <configFile>
              <type>env</type>
              <fileName>log4j.properties</fileName>
              <dictionaryName>mahout-log4j</dictionaryName>
            </configFile>
          </configFiles>
        </component>
      </components>
      <osSpecifics>
        <osSpecific>
          <osFamily>any</osFamily>
          <packages>
            <package>
              <name>mahout</name>
            </package>
          </packages>
        </osSpecific>
      </osSpecifics>

      <commandScript>
        <script>scripts/service_check.py</script>
        <scriptType>PYTHON</scriptType>
        <timeout>300</timeout>
      </commandScript>

      <requiredServices>
        <service>YARN</service>
      </requiredServices>

      <configuration-dependencies>
        <config-type>yarn-site</config-type>
        <config-type>mahout-log4j</config-type>
      </configuration-dependencies>

    </service>
  </services>
</metainfo>